Middleware engineer for DC migration project

49.24 - 71.13 USDNet per hour - B2B
ERP

Middleware engineer for DC migration project

ERP
Al. Jerozolimskie 100, Warsaw

Crestt

Freelance
B2B
Mid
Office
49.24 - 71.13 USD
Net per hour - B2B

Job description

The main task in this position is: 

Perform role of Middleware engineer for application migration project, part of data center migration program.  Applications serve payment card acceptance / acquiring and issuer processor’s business processes. 

Critical business functions, including transaction authorization processes, are implemented in a three-tier application architecture. The Middleware layer is an extensive architecture that, in the context of a service migration project, requires the support of an additional person. 

The following technical qualifications are required to carry out Middleware project tasks: 

Knowledge of tools and application environments 

  • BMC Control-M 

  • Oracle Application Express (APEX) 

  • Oracle Data Integrator 12c 

  • Oracle Internet Directory 11g / 12c 

  • Oracle Forms 11g / 12c 

  • Oracle Reports 11g / 12c 

  • Oracle Rest Data Service (ORDS) 

  • Oracle Service Bus 11g / 12c 

  • Oracle WebLogic 11g / 12c 

  • PL/SQL  

  • Perl / Powershell / Shell / Bash / Python 

  • Rundeck / Ansible 

  • You will be expected to: 

    • Closely work with FTS Application & Middleware Team carrying out BAU tasks. 

    • Closely work with PMs driving the subsequent actions building, testing and migrating to new environments, not excluding preparation and placement of infrastructure build, configuration or access request and addressing blockers on the road 

    • Diagnosing and solving technical problems 

    • Monitoring environments for performance and reliability, 

    • Produce of quality, live documentation (using Confluence), 

  • Individuals performing the services are expected to have following characteristics: 

    • Recognizing the challenges related to application migration from one data center to the other 

    • Experience working in similar roles / projects (application migrations)  

    • Excellent communication skills, good written and spoken Polish and English language and ability to work with variety of SMEs from several countries and socialize the technical scope, challenges and solutions among them  

    • Understanding of availability, performance, monitoring and resilience aspects for semi real time online transaction systems and mass transaction processing systems  

    • Understanding of infrastructure aspects, network solutions, load balancing, TLS  

    • Responsibility: care for product quality, making and keeping commitments  

    • Cooperation: the ability to share knowledge and experience, find compromises, build correct relationships within the local organization and in the corporation. 

Tech stack

    Polish

    C2

    English

    C1

    • BMC Control-M

    advanced

    • Oracle Forms 11g / 12c

    regular

    • Oracle WebLogic 11g / 12c

    regular

    • Oracle Rest Data Service (ORDS)

    regular

    • PL/SQL

    regular

    • Oracle Data Integrator 12c

    regular

    • Oracle Application Express (APEX)

    regular

    • Oracle Reports 11g / 12c

    regular

    • Oracle Service Bus 11g / 12c

    regular

    • Oracle Internet Directory 11g / 12c

    regular

Office location

Middleware engineer for DC migration project

49.24 - 71.13 USDNet per hour - B2B
Summary of the offer

Middleware engineer for DC migration project

Al. Jerozolimskie 100, Warsaw
Crestt
49.24 - 71.13 USDNet per hour - B2B
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Salary
49.24 - 71.13 USD
Net per hour - B2B
Applied -
30 day left (until 09.04.2026)
Applied -